Android has been moving slowly up the charts, especially during the past few months. For September, Google's mobile OS captured a share of 29.4 percent, up from 28.1 percent last month and 25.2 percent in July.

About the author

Journalist, software trainer, and Web developer Lance Whitney writes columns and reviews for CNET, Computer Shopper, Microsoft TechNet, and other technology sites. His first book, "Windows 8 Five Minutes at a Time," was published by Wiley & Sons in November 2012.
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